Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706835 | High-frequency circuit device | — | 2010-04-27 |
| 7269156 | High-frequency circuit device | — | 2007-09-11 |
| 7125744 | High-frequency module and method for manufacturing the same | Hideki Takehara, Noriyuki Yoshikawa | 2006-10-24 |
| 7081661 | High-frequency module and method for manufacturing the same | Hideki Takehara, Noriyuki Yoshikawa | 2006-07-25 |
| 6818979 | High-frequency semiconductor device | Hideki Takehara, Noriyuki Yoshikawa, Seiichi Nakatani | 2004-11-16 |
| 6815810 | High-frequency semiconductor device | Hideki Takehara, Noriyuki Yoshikawa, Seiichi Nakatani | 2004-11-09 |
| 6794747 | Semiconductor device | Hideki Takehara, Noriyuki Yoshikawa | 2004-09-21 |
| 6787398 | Method of fabricating a high frequency signal amplification device | Kazuki Tateoka, Noriyuki Yoshikawa | 2004-09-07 |
| 6509641 | High-frequency signal amplification device | Kazuki Tateoka, Noriyuki Yoshikawa | 2003-01-21 |
| 6268632 | Field effect transistor and power amplifier including the same | Akihisa Sugimura | 2001-07-31 |
| 6114732 | Field effect transistor | Akihisa Sugimura | 2000-09-05 |
| 6002301 | Transistor and power amplifier | Akihisa Sugimura | 1999-12-14 |
| 5796165 | High-frequency integrated circuit device having a multilayer structure | Noriyuki Yoshikawa, Satoshi Makioka, Kazuki Tateoka | 1998-08-18 |
| 5717249 | RF power amplifying circuit device | Noriyuki Yoshikawa, Kazuki Tateoka, Akihisa Sugimura | 1998-02-10 |
| 5546051 | Power amplifier and power amplification method | Haruhiko Koizumi, Akihisa Sugimura, Kazuki Tateoka | 1996-08-13 |
| 5371477 | Linear amplifier | Hikaru Ikeda, Toshio Ishizaki, Hiroaki Kosugi, Yoshishige Yoshikawa | 1994-12-06 |
| 4747909 | Method for manufacturing a perpendicular sidewalled metal layer on a substrate | Masaru Kazumura | 1988-05-31 |
| 4665416 | Semiconductor device having a protection breakdown diode on a semi-insulative substrate | Masahiro Hagio, Shutaro Nanbu, Shunji Ogata, Shiro Tohmori | 1987-05-12 |